SlackBuilds Repository

hsetroot is a tool which allows you to compose wallpapers ("root pixmaps")for X. It has a lot of options like rendering gradients, solids, imagesbut it also allows you to perform manipulations on those things, or chainthem together. You could use one standard background image for isntance,and using tint to make it fit your current theme. And yes, of course itis compatible with semi-translucent applications like aterm and xchat.